Home / 99,822.79-149,724.11-33,255.78

Finding the Fourth Proportional to 99,822.79, 149,724.11 and 33,255.78

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Solution

The fourth proportional to 99,822.79, 149,724.11 and 33,255.78 is: 49,880.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,822.79 : 149,724.11 = 33,255.78 : x
  2. Step 2: Convert to fraction form
    99,822.79/149,724.11 = 33,255.78/x
  3. Step 3: Cross multiply
    99,822.79x = 149,724.11 × 33,255.78
  4. Step 4: Simplify right side
    99,822.79x = 4,979,191,584.53
  5. Step 5: Solve for x
    x = 4,979,191,584.53/99,822.79
  6. Step 6: Final answer
    x = 49,880.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.